Connection errors in PostgreSQL 9.3.2

<span style=3D"font-family:Verdana; color:#000000; font-size:10=
pt;">PostgreSQL version: 9.3.2Operating system:   RHEL 6.4=0AD=
escription:        Hello PostgreSQL developers</d=
iv>We are getting the following error trying to connect=
 to PostgreSQL even though I commented out the timezone and log_t=
imezone settings in the postgresql.conf file.=
Invalid value for parameter "Timezone": "Etc/GMT"</di=
v>Does anyone know how to fix this?thanks</d=
iv>